Weird issue with my computer, has to do with hard drive speed on uefi vs standard bios

michaelWeaser · Mar 22, 2017

I have a weird with a Lenovo H430 desktop computer, The issue is with when windows is installed using the UEFI firmware, when windows is installed and boots using uefi , the computer is painfully slow and in hard drive benchmarking it says the hard drive is only 15-20 mb/s , and also some tests refuse to complete, But I have no issue with the computer , if windows is installed and runs by a standard bios, the speeds are totally fine , and benchmarking completes. The OS that is run is windows 10. So anything I can do to fix the issue?

captaincharisma · Mar 22, 2017

how old is the hard drive? how many GB is it? depending on the age of the hard drive it may not be compatible with UEFI BIOS

Barty1884 · Mar 22, 2017

Are you disabling CSM support when installing in UEFI mode? If you leave CSM on, you're essentially trying to do both - UEFI mode for the install, but maintaining legacy support.

Which HDD specifically? And how old?

Also, what format is the HDD? You should only be able to proceed with a UEFI install in GPT format (vs MBR), but stranger things have happened.

When it's "painfully slow", is it slow in the POSt process, or after the hand-off to Windows?

Can you also post your full system spec?

michaelWeaser · Mar 22, 2017

captaincharisma :

Its a 1TB hard drive from 2011 or so.

michaelWeaser · Mar 22, 2017

Barty1884 :

its a 1TB hard drive from 2011, and yes CSM is disabled when I installed, and yes its set to GPT forrmat, its not slow during the POST but after the hand-off, its slow in windows when i am running programs. The computer is a Lenovo H430 with a i5-3330 , 8gb of ram, plus the 1TB hard drive.

captaincharisma · Mar 22, 2017

michaelWeaser :

Barty1884 :

its a 1TB hard drive from 2011, and yes CSM is disabled when I installed, and yes its set to GPT forrmat, its not slow during the POST but after the hand-off, its slow in windows when i am running programs. The computer is a Lenovo H430 with a i5-3330 , 8gb of ram, plus the 1TB hard drive.

is this the first time you installed an operating system as UEFI?

michaelWeaser · Mar 22, 2017

captaincharisma :

It did originally have windows 8 on it installed with Uefi , but that was with a different hard drive , that died which ran correctly. When I changed the hard drive to the 1tb i installed windows 10 directly and got the upgrade using a genuineticket.xml created before the hard drive with windows 8 died.

captaincharisma · Mar 22, 2017

michaelWeaser :

captaincharisma :

It did originally have windows 8 on it installed with Uefi , but that was with a different hard drive , that died which ran correctly. When I changed the hard drive to the 1tb i installed windows 10 directly and got the upgrade using a genuineticket.xml created before the hard drive with windows 8 died.

if the HDD that you replaced it with is older then the one your originally had then that may be the problem. it may not be fully compatible with that BIOS type

michaelWeaser · Mar 22, 2017

captaincharisma :

michaelWeaser :

if the HDD that you replaced it with is older then the one your originally had then that may be the problem. it may not be fully compatible with that BIOS type

The hard drive was from another computer I have , and i'm sure it was uefi as well but is there away to check uefi compatibility with that hard drive?

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Weird issue with my computer, has to do with hard drive speed on uefi vs standard bios

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